         * **id** the unique identifier of the data point
         * **instance** is the data set instance (can be an `N`-deep map)
         * **class-label** the label of the class (can be nominal, double, integer)
-        * **set-type** either `:test` or `:train` used to presort the data
+        * **set-type** either `:test`, `:train`, `:train-test` (all) used to presort the data
         with [[divide-by-preset]]; note that it isn't necessary to
         call [[divide-by-preset]] for the first invocation of [[instances-load]]
 


  Keys
  ----
  * **:set-type** is either `:train` or `:test` and defaults
  to [[set-default-set-type]] or `:train` if not set"
  [& {:keys [set-type] :or {set-type nil}}]
  (use-connection

(defn set-default-set-type
  "Set the default bucket (training or testing) to get data.

  * **:set-type** is either `:train` (default) or `:test`;
  see [[elasticsearch-connection]]

  See [[ids]]"
  [set-type]
